#include <bits/stdc++.h>
using namespace std;

class solution{
public:
    int arraySum(int arr[], int n){
        //Write your code here...
        int s=0;
        for(int i = 0; i < n; i++) {
            s = arr[i] + s;
        }
        return s;
    }
};

int main(){
    solution obj;
    int n;
    
    cout<<"enter length arr"<<endl;
    cin>>n;

    int arr[n];
    cout << "enter no.s" << endl;
    for (int i = 0; i < n; i++) { 
        cin >> arr[i];
    }

    int total = obj.arraySum(arr, n);
    cout << "Sum is: " << total << endl;
}